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Tuesday 17 May 2023 – Morning
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ASgLevelgChemistrygAg
H032/01gBreadthgingchemistryg
g
INSTRUCTIONSg
• Usegblackgink.gYougcangusegangHBgpencil,gbutgonlygforggraphsgandgdiagrams.g
• Writegyourganswergtogeachgquestiongingthegspacegprovided.gIfgyougneedgextragspacegu
segtheglinedgpagesgatgthegendgofgthisgbooklet.gThegquestiongnumbersgmustgbegclearlyg
shown.g
• Answergallgthegquestions.g
• Wheregappropriate,gyourganswergshouldgbegsupportedgwithgworking.gMarksgmightgbegg
ivengforgusinggagcorrectgmethod,gevengifgyourganswergisgwrong.g
g
INFORMATIONg
• Thegtotalgmarkgforgthisgpapergisg70.g
• Thegmarksgforgeachgquestiongaregshowngingbracketsg[g].g
• Thisgdocumentghasg24gpages.g
g
ADVICEg
•gReadgeachgquestiongcarefullygbeforegyougstartgyourganswer.g
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©gOCRg2023g[601/5256/
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OCRgisgangexemptgCharityggTurngoverg
SECTIONgAg
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Yougshouldgspendgagmaximumgofg25gminutesgongthisgsection.g
g
Answergallgthegquestions.g
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Writegyourganswergtogeachgquestiongingthegboxgprovided.g
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1 Whichgsubstanceghasgaggiantgcovalentglatticegstructuregingitsgsolidgstate?g
g
A potassiumg
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B silicong
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C sodiumgchlorideg
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D waterg
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Yourganswerg g [1]g
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2 Whatgisgthegmeaninggofgthegtermgelectronegativity?g
g
A Thegabilitygofgangatomgtogattractgthegelectronsgingagcovalentgbond.g
g
B Thegabilitygofgangatomgtoggaingangelectron.g
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C Thegelectrostaticgattractiongbetweengagnegativegiongandgagpositivegion.g
g
D Thegsizegofgthegchargegongagnegativegion.g
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Yourganswerg g [1]g
g
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3 Whichgcompoundgisgangalkali?g
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A CH3COOHg
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B CH3OHg
C HNO3g
D NH3g
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Yourganswerg[1]g
©gOCRg2023g
, g
3g
Whatgisgtheg
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4 numbergofgpairedgorbitalsgingagsulfurgatom?g
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A 4g
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B 6g
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C 7g
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Dg 8g
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Yourganswerg g [1]g
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5g Whichgelementghasgtheglowestgmeltinggpoint?g
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Ag Sg
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Bg Pg
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C Clg
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D Arg
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Yourganswerg g [1]g
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6g ThegfirstgfourgionisationgenergiesgofgagPeriodg3gelementgXgaregshowngingthegtable.g
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Ionisationgenergyg/gkJgmol–1g
1stg 2ndg 3rdg 4thg
738g 1451g 7733g 10g541g
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ElementgXgisgreactedgwithgchlorine.g
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Whatgisgthegformulagofgthegchloridegformed?g
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A XClg
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B XClg2g
C XClg3g
Dg XClg4g
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Yourganswerg[1]g
7 Agsamplegofglead(II)gsulfateg(Mg=g303.3ggmol–
1
)gisgdecomposedgbygheat,gasgshowngingthegequationgbelow.g
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2PbSO4(s)g→g2PbSO3(s)g+gO2(g)g
Thegreactiongformsg2.40gggofgO2(g).g
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Whatgisgthegmassgofglead(II)gsulfategthatghasgbeengheated?gAssumegag100%gyield.g
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g ©gOCRg2023g Turngoverg